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If xsin^(3)theta+ycos^(3)theta=sinthetac...

If `xsin^(3)theta+ycos^(3)theta=sinthetacostheta and xsintheta=ycostheta`,
then `x^(2)+y^(2)` is

A

2

B

0

C

3

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
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